Home / 3,943.83-5,440.08-2,349.42

Finding the Fourth Proportional to 3,943.83, 5,440.08 and 2,349.42

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Solution

The fourth proportional to 3,943.83, 5,440.08 and 2,349.42 is: 3,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.83 : 5,440.08 = 2,349.42 : x
  2. Step 2: Convert to fraction form
    3,943.83/5,440.08 = 2,349.42/x
  3. Step 3: Cross multiply
    3,943.83x = 5,440.08 × 2,349.42
  4. Step 4: Simplify right side
    3,943.83x = 12,781,032.75
  5. Step 5: Solve for x
    x = 12,781,032.75/3,943.83
  6. Step 6: Final answer
    x = 3,240.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.